The KTM 50 SX Factory motorcycle specifications include a 49.8 cc (3.04 cu in) engine, an automatic gearbox, and a listed weight of 41.5 kg (91.5 lb).
Key specifications
The 2021 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the KTM 50 SX Factory compares
This compares the motorcycle with all KTM models in this specifications database. The blue marker is this model and the grey line is the KTM database average.
About 89% lower than the KTM database average. Around the 5th percentile across KTM models.
About 26% lower than the KTM database average. Around the 4th percentile across KTM models.
About 78% smaller than the KTM database average. Around the 5th percentile across KTM models.
KTM database percentile rankings
Percentiles show where this motorcycle sits across the KTM specifications database. They are descriptive database rankings, not performance ratings.
50 cc — larger displacement than about 5% of KTM models.
665 mm — taller than about 4% of KTM models.
2.3 L — larger than about 5% of KTM fuel tanks in this database.
Dimensions compared with KTM average
Each measurement is compared with the average value across KTM models where that dimension is available.
665
895
26% below average.
252
304
17% below average.
Mechanical overview
Additional useful specifications
| Bore/stroke ratio | 0.99:1 (Square) |
|---|
Model information
| Category | Minibike, cross |
|---|
Engine specifications
| Engine type | Single cylinder, two-stroke |
|---|---|
| Displacement | 49.8 cc (3.04 cu in) |
| Bore × stroke | 39.5 x 40 mm (1.6 x 1.6 inches) |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Ignition | Seletra 2p D36 EMS |
| Starter | Kick |
Transmission and drivetrain
| Gearbox | Automatic |
|---|---|
| Final drive | Chain (final drive) |
| Clutch | Centrifugal |
Chassis and suspension
| Frame | Central-tube frame with double-cradle |
|---|---|
| Front suspension | XACT 35 WP Upside-Down fork, Ø 35 mm |
| Rear suspension | XACT WP mono shock |
| Front wheel travel | 205 mm (8.1 inches) |
| Rear wheel travel | 185 mm (7.3 inches) |
| Rake | 24.0° |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Single disc |
| Wheels | Dunlop Geomax MX 53 tires |
Dimensions and weight
| Dry weight | 41.5 kg (91.5 lb) |
|---|---|
| Seat height | 665 mm (26.2 inches) |
| Ground clearance | 252 mm (9.9 inches) |
Fuel and emissions
| Fuel capacity | 2.30 L (0.61 US gal) |
|---|
Other specifications
| Color options | White/Orange/Blue/Red |
|---|---|
| Exhaust system | FMF silencer |
| Price as new | US$ 5199. MSRP depends on country, taxes, accessories, etc. |
Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from KTM models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official KTM information before relying on them. Visit the official KTM website.